I had a problem when I tried to add the Prosody package repository
echo deb http://packages.prosody.im/debian $(lsb_release -sc) main | sudo tee -a /etc/apt/sources.list
wget https://prosody.im/files/prosody-debian-packages.key -O- | sudo apt-key add -
and the following error is output:
E: Failure to fetch http://packages.prosody.im/debian/dists/buster/InRelease 410 Gone
E: The depot "http://packages.prosody.im/debian buster InRelease" is not signed.
N: Updating such a repository cannot be done in a secure way, so it is disabled by default.
N: For more details on the creation of package depots as well as their user configuration, see the apt-secure(8) manual page.
my Debian server was still on buster, therefore I upgraded now to bullseye.
Then performed purge/reinstall of jitsi-meet and added authorisation etc as usual (all together took maybe 20min), because faced same issue as describe in this thread:
(simply too advanced for me…)
Now upgrading etc worked smoothly, my Jitsi meet instance is running again!
kind regards, MS